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Stohl, W. et al.

William Stohl, Juan Gomez-Reino, Ewa Olech, Jean Dudler, Roy M. Fleischmann, Cristiano A. F. Zerbini, Ali Ashrafzadeh, Susanna Grzeschik, Rebecca Bieraugel, Jennifer Green, Steven Francom, Wolfgang Dummer,

Safety and efficacy of ocrelizumab in combination with methotrexate in MTX-naive subjects with rheumatoid arthritis: the phase III FILM trial.

OBJECTIVE: To determine the efficacy and safety of ocrelizumab (OCR) with methotrexate (MTX) in MTX-naive rheumatoid arthritis (RA) patients. METHODS: In a randomised, double-blind, controlled trial, patients received placebo+MTX (MTX; n=210), OCR 200 mg×2+MTX (OCR 200; n=200) or OCR 500 mg×2+MTX (OCR 500; n=203). OCR/placebo (two intravenous infusions) was given on days 1 and 15, with fixed re-treatment scheduled at weeks 24/26, 52/54 and 76/78. Due to early termination of OCR dosing, there was no formal primary end point analysis (change from baseline in modified total Sharp score (ΔmTSS) at week 104). Analyses are reported for week 52 outcomes. RESULTS: At week 52, treatment with OCR+MTX compared with MTX alone reduced progression of joint damage (mean (SD) change in ΔmTSS: OCR 200, 0.66 (4.51); OCR 500, 0.27 (2.91); MTX alone, 1.59 (4.82); p=0.001 and p=0.003, respectively vs MTX alone) and improved clinical signs and symptoms (American College of Rheumatology 20 response: OCR 200, 73.0%; OCR 500, 71.0%; MTX alone, 57.5%; p<0.005 for each OCR vs MTX alone). Serious infection rates per 100 patient-years were similar with OCR 200 and MTX alone (2.6 (95% CI 0.9 to 6.1) and 3.0 (1.1 to 6.5), respectively), but higher with OCR 500 (7.1 (3.9 to 11.9)). CONCLUSIONS: OCR 200 mg and 500 mg with MTX in MTX-naive patients with RA were effective in inhibiting joint damage progression and improving RA signs and symptoms. OCR 500 mg with MTX was associated with an increased rate of serious infections.[1]

References

Safety and efficacy of ocrelizumab in combination with methotrexate in MTX-naive subjects with rheumatoid arthritis: the phase III FILM trial. Stohl, W., Gomez-Reino, J., Olech, E., Dudler, J., Fleischmann, R.M., Zerbini, C.A., Ashrafzadeh, A., Grzeschik, S., Bieraugel, R., Green, J., Francom, S., Dummer, W. Ann. Rheum. Dis. (2012) [Pubmed]

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